Experimental Verification of Deep-Water Acoustic Communication ...
3 天之前 · In both cases, the emitting modem was located at a depth of 9 m. It follows from Table 1 that two signal rays with a high signal-to-noise ratio (SNR) arrive at the modem located at a depth of 50 m: one is direct, the other is reflected once from the sea surface. At a depth of …
Broadband Acoustic Purcell Effect from Collective Bound States in …
2 天之前 · In Figure 5f, the maximum experimental results of 10log 10 (E) is 17.7 dB at 644 Hz, and restricted emission occurs within 716–833 and 863–900 Hz. In comparison, when the …
In-Depth Analysis of Tram Curve Noise Dataset for Rigorous Noise ...
1 天前 · Data collection procedures. The recording of tram curve noise is carried out at Birmingham New Street station, focusing on the Caf Urbos 3 tram, which is equipped with a …
Low-phase-noise surface-acoustic-wave oscillator using an edge …
3 天之前 · Leveraging phononic crystal band-gap-edge modes to balance between Q factors and insertion losses, our 1-GHz SAW oscillator features a low phase noise of \ensuremath{-}132.5 …
Frequency and Level dependence of the middle ear acoustic reflex …
2 天之前 · In the example of Fig. 1 the baseline change in absorbance for a 1/3 octave band noise elicitor at 80 dB SPL (blue curve) had a MAD value of 0.0028 absorbance units (Fig. 1 a). …
Acoustic Echo Cancellation Network Based on Harmonic-aware …
3 天之前 · Figure 6 demonstrates the effectiveness of the proposed AEC method, with the estimated signal closely matching the target in low-frequency and high-energy regions, …
ns-3: src/uan/model/acoustic-modem-energy-model.h File …
3 天之前 · Include dependency graph for acoustic-modem-energy-model.h: This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead. This graph shows which files …
Fundamental Acoustic Parameter Measurements - University of …
1 天前 · Fundamental Acoustic Parameter Measurements. Some of the most useful physical parameters obtained from ultrasonic inquiry of a material are its acoustic attenuation, speed of …
(PDF) Design of Free Space Optical Communication for Efficient ...
3 天之前 · Figure 5: RX Block Diagram Whenever the RX is turned on, it first calculates noise threshold for a couple of intervals. Once the noise threshold is calculated, it starts looking for …
Sys-Parameter Models for Keysight’s Pathwave System Design and …
4 天之前 · Sys-Parameter models contain behavioral parameters, such as P1dB, IP3, gain, noise figure and return loss, which describe nonlinear and linear characteristics of a device. These …
